To study the effect of temperature on yield in a chemical process, five batches were produced at each of three temperature levels. The results follow. Construct an analysis of variance table. Use a 0.05 to test for any significance to test whether the temperature level has an effect on the mean yield of the process.                      Temperature 50 Degree Celcius  60 degree Celcius 70 degree Celcius               34 30 23               24 31 28               36 34 28               39 23 30               32

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